/* * Copyright 2012 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Ben Skeggs */ #include "gk104.h" #include #include #include #include #include #include #include #include #include #include #include #define _(a,b) { (a), ((1ULL << (a)) | (b)) } static const struct { u64 subdev; u64 mask; } fifo_engine[] = { _(NVDEV_ENGINE_GR , (1ULL << NVDEV_ENGINE_SW) | (1ULL << NVDEV_ENGINE_CE2)), _(NVDEV_ENGINE_MSPDEC , 0), _(NVDEV_ENGINE_MSPPP , 0), _(NVDEV_ENGINE_MSVLD , 0), _(NVDEV_ENGINE_CE0 , 0), _(NVDEV_ENGINE_CE1 , 0), _(NVDEV_ENGINE_MSENC , 0), }; #undef _ #define FIFO_ENGINE_NR ARRAY_SIZE(fifo_engine) struct gk104_fifo_engn { struct nvkm_gpuobj *runlist[2]; int cur_runlist; wait_queue_head_t wait; }; struct gk104_fifo { struct nvkm_fifo base; struct work_struct fault; u64 mask; struct gk104_fifo_engn engine[FIFO_ENGINE_NR]; struct { struct nvkm_gpuobj *mem; struct nvkm_vma bar; } user; int spoon_nr; }; struct gk104_fifo_base { struct nvkm_fifo_base base; struct nvkm_gpuobj *pgd; struct nvkm_vm *vm; }; struct gk104_fifo_chan { struct nvkm_fifo_chan base; u32 engine; enum { STOPPED, RUNNING, KILLED } state; }; /******************************************************************************* * FIFO channel objects ******************************************************************************/ static void gk104_fifo_runlist_update(struct gk104_fifo *fifo, u32 engine) { struct gk104_fifo_engn *engn = &fifo->engine[engine]; struct nvkm_subdev *subdev = &fifo->base.engine.subdev; struct nvkm_device *device = subdev->device; struct nvkm_bar *bar = device->bar; struct nvkm_gpuobj *cur; int i, p; mutex_lock(&nv_subdev(fifo)->mutex); cur = engn->runlist[engn->cur_runlist]; engn->cur_runlist = !engn->cur_runlist; nvkm_kmap(cur); for (i = 0, p = 0; i < fifo->base.max; i++) { struct gk104_fifo_chan *chan = (void *)fifo->base.channel[i]; if (chan && chan->state == RUNNING && chan->engine == engine) { nvkm_wo32(cur, p + 0, i); nvkm_wo32(cur, p + 4, 0x00000000); p += 8; } } bar->flush(bar); nvkm_done(cur); nvkm_wr32(device, 0x002270, cur->addr >> 12); nvkm_wr32(device, 0x002274, (engine << 20) | (p >> 3)); if (wait_event_timeout(engn->wait, !(nvkm_rd32(device, 0x002284 + (engine * 0x08)) & 0x00100000), msecs_to_jiffies(2000)) == 0) nvkm_error(subdev, "runlist %d update timeout\n", engine); mutex_unlock(&nv_subdev(fifo)->mutex); } static int gk104_fifo_context_attach(struct nvkm_object *parent, struct nvkm_object *object) { struct nvkm_bar *bar = nvkm_bar(parent); struct gk104_fifo_base *base = (void *)parent->parent; struct nvkm_gpuobj *engn = &base->base.gpuobj; struct nvkm_engctx *ectx = (void *)object; u32 addr; int ret; switch (nv_engidx(object->engine)) { case NVDEV_ENGINE_SW : return 0; case NVDEV_ENGINE_CE0: case NVDEV_ENGINE_CE1: case NVDEV_ENGINE_CE2: nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12; return 0; case NVDEV_ENGINE_GR : addr = 0x0210; break; case NVDEV_ENGINE_MSVLD : addr = 0x0270; break; case NVDEV_ENGINE_MSPDEC: addr = 0x0250; break; case NVDEV_ENGINE_MSPPP : addr = 0x0260; break; default: return -EINVAL; } if (!ectx->vma.node) { ret = nvkm_gpuobj_map_vm(nv_gpuobj(ectx), base->vm, NV_MEM_ACCESS_RW, &ectx->vma); if (ret) return ret; nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12; } nvkm_kmap(engn); nvkm_wo32(engn, addr + 0x00, lower_32_bits(ectx->vma.offset) | 4); nvkm_wo32(engn, addr + 0x04, upper_32_bits(ectx->vma.offset)); bar->flush(bar); nvkm_done(engn); return 0; } static int gk104_fifo_chan_kick(struct gk104_fifo_chan *chan) { struct nvkm_object *obj = (void *)chan; struct gk104_fifo *fifo = (void *)obj->engine; struct nvkm_subdev *subdev = &fifo->base.engine.subdev; struct nvkm_device *device = subdev->device; nvkm_wr32(device, 0x002634, chan->base.chid); if (nvkm_msec(device, 2000, if (!(nvkm_rd32(device, 0x002634) & 0x00100000)) break; ) < 0) { nvkm_error(subdev, "channel %d [%s] kick timeout\n", chan->base.chid, nvkm_client_name(chan)); return -EBUSY; } return 0; } static int gk104_fifo_context_detach(struct nvkm_object *parent, bool suspend, struct nvkm_object *object) { struct nvkm_bar *bar = nvkm_bar(parent); struct gk104_fifo_base *base = (void *)parent->parent; struct gk104_fifo_chan *chan = (void *)parent; struct nvkm_gpuobj *engn = &base->base.gpuobj; u32 addr; int ret; switch (nv_engidx(object->engine)) { case NVDEV_ENGINE_SW : return 0; case NVDEV_ENGINE_CE0 : case NVDEV_ENGINE_CE1 : case NVDEV_ENGINE_CE2 : addr = 0x0000; break; case NVDEV_ENGINE_GR : addr = 0x0210; break; case NVDEV_ENGINE_MSVLD : addr = 0x0270; break; case NVDEV_ENGINE_MSPDEC: addr = 0x0250; break; case NVDEV_ENGINE_MSPPP : addr = 0x0260; break; default: return -EINVAL; } ret = gk104_fifo_chan_kick(chan); if (ret && suspend) return ret; if (addr) { nvkm_kmap(engn); nvkm_wo32(engn, addr + 0x00, 0x00000000); nvkm_wo32(engn, addr + 0x04, 0x00000000); bar->flush(bar); nvkm_done(engn); } return 0; } static int gk104_fifo_chan_ctor(struct nvkm_object *parent, struct nvkm_object *engine, struct nvkm_oclass *oclass, void *data, u32 size, struct nvkm_object **pobject) { union { struct kepler_channel_gpfifo_a_v0 v0; } *args = data; struct nvkm_bar *bar = nvkm_bar(parent); struct gk104_fifo *fifo = (void *)engine; struct gk104_fifo_base *base = (void *)parent; struct gk104_fifo_chan *chan; struct nvkm_gpuobj *ramfc = &base->base.gpuobj; u64 usermem, ioffset, ilength; u32 engines; int ret, i; nvif_ioctl(parent, "create channel gpfifo size %d\n", size); if (nvif_unpack(args->v0, 0, 0, false)) { nvif_ioctl(parent, "create channel gpfifo vers %d " "ioffset %016llx ilength %08x engine %08x\n", args->v0.version, args->v0.ioffset, args->v0.ilength, args->v0.engine); if (args->v0.vm) return -ENOENT; } else return ret; for (i = 0, engines = 0; i < FIFO_ENGINE_NR; i++) { if (!nvkm_engine(parent, fifo_engine[i].subdev)) continue; engines |= (1 << i); } if (!args->v0.engine) { static struct nvkm_oclass oclass = { .ofuncs = &nvkm_object_ofuncs, }; args->v0.engine = engines; return nvkm_object_old(parent, engine, &oclass, NULL, 0, pobject); } engines &= args->v0.engine; if (!engines) { nvif_ioctl(parent, "unsupported engines %08x\n", args->v0.engine); return -ENODEV; } i = __ffs(engines); ret = nvkm_fifo_channel_create(parent, engine, oclass, 1, fifo->user.bar.offset, 0x200, 0, fifo_engine[i].mask, &chan); *pobject = nv_object(chan); if (ret) return ret; args->v0.chid = chan->base.chid; nv_parent(chan)->context_attach = gk104_fifo_context_attach; nv_parent(chan)->context_detach = gk104_fifo_context_detach; chan->engine = i; usermem = chan->base.chid * 0x200; ioffset = args->v0.ioffset; ilength = order_base_2(args->v0.ilength / 8); nvkm_kmap(fifo->user.mem); for (i = 0; i < 0x200; i += 4) nvkm_wo32(fifo->user.mem, usermem + i, 0x00000000); nvkm_done(fifo->user.mem); nvkm_kmap(ramfc); nvkm_wo32(ramfc, 0x08, lower_32_bits(fifo->user.mem->addr + usermem)); nvkm_wo32(ramfc, 0x0c, upper_32_bits(fifo->user.mem->addr + usermem)); nvkm_wo32(ramfc, 0x10, 0x0000face); nvkm_wo32(ramfc, 0x30, 0xfffff902); nvkm_wo32(ramfc, 0x48, lower_32_bits(ioffset)); nvkm_wo32(ramfc, 0x4c, upper_32_bits(ioffset) | (ilength << 16)); nvkm_wo32(ramfc, 0x84, 0x20400000); nvkm_wo32(ramfc, 0x94, 0x30000001); nvkm_wo32(ramfc, 0x9c, 0x00000100); nvkm_wo32(ramfc, 0xac, 0x0000001f); nvkm_wo32(ramfc, 0xe8, chan->base.chid); nvkm_wo32(ramfc, 0xb8, 0xf8000000); nvkm_wo32(ramfc, 0xf8, 0x10003080); /* 0x002310 */ nvkm_wo32(ramfc, 0xfc, 0x10000010); /* 0x002350 */ bar->flush(bar); nvkm_done(ramfc); return 0; } static int gk104_fifo_chan_init(struct nvkm_object *object) { struct nvkm_gpuobj *base = nv_gpuobj(object->parent); struct gk104_fifo *fifo = (void *)object->engine; struct gk104_fifo_chan *chan = (void *)object; struct nvkm_device *device = fifo->base.engine.subdev.device; u32 chid = chan->base.chid; int ret; ret = nvkm_fifo_channel_init(&chan->base); if (ret) return ret; nvkm_mask(device, 0x800004 + (chid * 8), 0x000f0000, chan->engine << 16); nvkm_wr32(device, 0x800000 + (chid * 8), 0x80000000 | base->addr >> 12); if (chan->state == STOPPED && (chan->state = RUNNING) == RUNNING) { nvkm_mask(device, 0x800004 + (chid * 8), 0x00000400, 0x00000400); gk104_fifo_runlist_update(fifo, chan->engine); nvkm_mask(device, 0x800004 + (chid * 8), 0x00000400, 0x00000400); } return 0; } static int gk104_fifo_chan_fini(struct nvkm_object *object, bool suspend) { struct gk104_fifo *fifo = (void *)object->engine; struct gk104_fifo_chan *chan = (void *)object; struct nvkm_device *device = fifo->base.engine.subdev.device; u32 chid = chan->base.chid; if (chan->state == RUNNING && (chan->state = STOPPED) == STOPPED) { nvkm_mask(device, 0x800004 + (chid * 8), 0x00000800, 0x00000800); gk104_fifo_runlist_update(fifo, chan->engine); } nvkm_wr32(device, 0x800000 + (chid * 8), 0x00000000); return nvkm_fifo_channel_fini(&chan->base, suspend); } struct nvkm_ofuncs gk104_fifo_chan_ofuncs = { .ctor = gk104_fifo_chan_ctor, .dtor = _nvkm_fifo_channel_dtor, .init = gk104_fifo_chan_init, .fini = gk104_fifo_chan_fini, .map = _nvkm_fifo_channel_map, .rd32 = _nvkm_fifo_channel_rd32, .wr32 = _nvkm_fifo_channel_wr32, .ntfy = _nvkm_fifo_channel_ntfy }; static struct nvkm_oclass gk104_fifo_sclass[] = { { KEPLER_CHANNEL_GPFIFO_A, &gk104_fifo_chan_ofuncs }, {} }; /******************************************************************************* * FIFO context - instmem heap and vm setup ******************************************************************************/ static int gk104_fifo_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine, struct nvkm_oclass *oclass, void *data, u32 size, struct nvkm_object **pobject) { struct gk104_fifo_base *base; int ret; ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x1000, 0x1000, NVOBJ_FLAG_ZERO_ALLOC, &base); *pobject = nv_object(base); if (ret) return ret; ret = nvkm_gpuobj_new(nv_object(base), NULL, 0x10000, 0x1000, 0, &base->pgd); if (ret) return ret; nvkm_kmap(&base->base.gpuobj); nvkm_wo32(&base->base.gpuobj, 0x0200, lower_32_bits(base->pgd->addr)); nvkm_wo32(&base->base.gpuobj, 0x0204, upper_32_bits(base->pgd->addr)); nvkm_wo32(&base->base.gpuobj, 0x0208, 0xffffffff); nvkm_wo32(&base->base.gpuobj, 0x020c, 0x000000ff); nvkm_done(&base->base.gpuobj); ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd); if (ret) return ret; return 0; } static void gk104_fifo_context_dtor(struct nvkm_object *object) { struct gk104_fifo_base *base = (void *)object; nvkm_vm_ref(NULL, &base->vm, base->pgd); nvkm_gpuobj_ref(NULL, &base->pgd); nvkm_fifo_context_destroy(&base->base); } static struct nvkm_oclass gk104_fifo_cclass = { .handle = NV_ENGCTX(FIFO, 0xe0), .ofuncs = &(struct nvkm_ofuncs) { .ctor = gk104_fifo_context_ctor, .dtor = gk104_fifo_context_dtor, .init = _nvkm_fifo_context_init, .fini = _nvkm_fifo_context_fini, .rd32 = _nvkm_fifo_context_rd32, .wr32 = _nvkm_fifo_context_wr32, }, }; /******************************************************************************* * PFIFO engine ******************************************************************************/ static inline int gk104_fifo_engidx(struct gk104_fifo *fifo, u32 engn) { switch (engn) { case NVDEV_ENGINE_GR : case NVDEV_ENGINE_CE2 : engn = 0; break; case NVDEV_ENGINE_MSVLD : engn = 1; break; case NVDEV_ENGINE_MSPPP : engn = 2; break; case NVDEV_ENGINE_MSPDEC: engn = 3; break; case NVDEV_ENGINE_CE0 : engn = 4; break; case NVDEV_ENGINE_CE1 : engn = 5; break; case NVDEV_ENGINE_MSENC : engn = 6; break; default: return -1; } return engn; } static inline struct nvkm_engine * gk104_fifo_engine(struct gk104_fifo *fifo, u32 engn) { if (engn >= ARRAY_SIZE(fifo_engine)) return NULL; return nvkm_engine(fifo, fifo_engine[engn].subdev); } static void gk104_fifo_recover_work(struct work_struct *work) { struct gk104_fifo *fifo = container_of(work, typeof(*fifo), fault); struct nvkm_device *device = fifo->base.engine.subdev.device; struct nvkm_engine *engine; unsigned long flags; u32 engn, engm = 0; u64 mask, todo; spin_lock_irqsave(&fifo->base.lock, flags); mask = fifo->mask; fifo->mask = 0ULL; spin_unlock_irqrestore(&fifo->base.lock, flags); for (todo = mask; engn = __ffs64(todo), todo; todo &= ~(1 << engn)) engm |= 1 << gk104_fifo_engidx(fifo, engn); nvkm_mask(device, 0x002630, engm, engm); for (todo = mask; engn = __ffs64(todo), todo; todo &= ~(1 << engn)) { if ((engine = nvkm_device_engine(device, engn))) { nvkm_subdev_fini(&engine->subdev, false); WARN_ON(nvkm_subdev_init(&engine->subdev)); } gk104_fifo_runlist_update(fifo, gk104_fifo_engidx(fifo, engn)); } nvkm_wr32(device, 0x00262c, engm); nvkm_mask(device, 0x002630, engm, 0x00000000); } static void gk104_fifo_recover(struct gk104_fifo *fifo, struct nvkm_engine *engine, struct gk104_fifo_chan *chan) { struct nvkm_subdev *subdev = &fifo->base.engine.subdev; struct nvkm_device *device = subdev->device; u32 chid = chan->base.chid; unsigned long flags; nvkm_error(subdev, "%s engine fault on channel %d, recovering...\n", nvkm_subdev_name[nv_subdev(engine)->index], chid); nvkm_mask(device, 0x800004 + (chid * 0x08), 0x00000800, 0x00000800); chan->state = KILLED; spin_lock_irqsave(&fifo->base.lock, flags); fifo->mask |= 1ULL << nv_engidx(engine); spin_unlock_irqrestore(&fifo->base.lock, flags); schedule_work(&fifo->fault); } static int gk104_fifo_swmthd(struct gk104_fifo *fifo, u32 chid, u32 mthd, u32 data) { struct gk104_fifo_chan *chan = NULL; struct nvkm_handle *bind; unsigned long flags; int ret = -EINVAL; spin_lock_irqsave(&fifo->base.lock, flags); if (likely(chid >= fifo->base.min && chid <= fifo->base.max)) chan = (void *)fifo->base.channel[chid]; if (unlikely(!chan)) goto out; bind = nvkm_namedb_get_class(nv_namedb(chan), NVIF_IOCTL_NEW_V0_SW_GF100); if (likely(bind)) { if (!mthd || !nv_call(bind->object, mthd, data)) ret = 0; nvkm_namedb_put(bind); } out: spin_unlock_irqrestore(&fifo->base.lock, flags); return ret; } static const struct nvkm_enum gk104_fifo_bind_reason[] = { { 0x01, "BIND_NOT_UNBOUND" }, { 0x02, "SNOOP_WITHOUT_BAR1" }, { 0x03, "UNBIND_WHILE_RUNNING" }, { 0x05, "INVALID_RUNLIST" }, { 0x06, "INVALID_CTX_TGT" }, { 0x0b, "UNBIND_WHILE_PARKED" }, {} }; static void gk104_fifo_intr_bind(struct gk104_fifo *fifo) { struct nvkm_subdev *subdev = &fifo->base.engine.subdev; struct nvkm_device *device = subdev->device; u32 intr = nvkm_rd32(device, 0x00252c); u32 code = intr & 0x000000ff; const struct nvkm_enum *en = nvkm_enum_find(gk104_fifo_bind_reason, code); nvkm_error(subdev, "BIND_ERROR %02x [%s]\n", code, en ? en->name : ""); } static const struct nvkm_enum gk104_fifo_sched_reason[] = { { 0x0a, "CTXSW_TIMEOUT" }, {} }; static void gk104_fifo_intr_sched_ctxsw(struct gk104_fifo *fifo) { struct nvkm_device *device = fifo->base.engine.subdev.device; struct nvkm_engine *engine; struct gk104_fifo_chan *chan; u32 engn; for (engn = 0; engn < ARRAY_SIZE(fifo_engine); engn++) { u32 stat = nvkm_rd32(device, 0x002640 + (engn * 0x04)); u32 busy = (stat & 0x80000000); u32 next = (stat & 0x07ff0000) >> 16; u32 chsw = (stat & 0x00008000); u32 save = (stat & 0x00004000); u32 load = (stat & 0x00002000); u32 prev = (stat & 0x000007ff); u32 chid = load ? next : prev; (void)save; if (busy && chsw) { if (!(chan = (void *)fifo->base.channel[chid])) continue; if (!(engine = gk104_fifo_engine(fifo, engn))) continue; gk104_fifo_recover(fifo, engine, chan); } } } static void gk104_fifo_intr_sched(struct gk104_fifo *fifo) { struct nvkm_subdev *subdev = &fifo->base.engine.subdev; struct nvkm_device *device = subdev->device; u32 intr = nvkm_rd32(device, 0x00254c); u32 code = intr & 0x000000ff; const struct nvkm_enum *en = nvkm_enum_find(gk104_fifo_sched_reason, code); nvkm_error(subdev, "SCHED_ERROR %02x [%s]\n", code, en ? en->name : ""); switch (code) { case 0x0a: gk104_fifo_intr_sched_ctxsw(fifo); break; default: break; } } static void gk104_fifo_intr_chsw(struct gk104_fifo *fifo) { struct nvkm_subdev *subdev = &fifo->base.engine.subdev; struct nvkm_device *device = subdev->device; u32 stat = nvkm_rd32(device, 0x00256c); nvkm_error(subdev, "CHSW_ERROR %08x\n", stat); nvkm_wr32(device, 0x00256c, stat); } static void gk104_fifo_intr_dropped_fault(struct gk104_fifo *fifo) { struct nvkm_subdev *subdev = &fifo->base.engine.subdev; struct nvkm_device *device = subdev->device; u32 stat = nvkm_rd32(device, 0x00259c); nvkm_error(subdev, "DROPPED_MMU_FAULT %08x\n", stat); } static const struct nvkm_enum gk104_fifo_fault_engine[] = { { 0x00, "GR", NULL, NVDEV_ENGINE_GR }, { 0x03, "IFB", NULL, NVDEV_ENGINE_IFB }, { 0x04, "BAR1", NULL, NVDEV_SUBDEV_BAR }, { 0x05, "BAR3", NULL, NVDEV_SUBDEV_INSTMEM }, { 0x07, "PBDMA0", NULL, NVDEV_ENGINE_FIFO }, { 0x08, "PBDMA1", NULL, NVDEV_ENGINE_FIFO }, { 0x09, "PBDMA2", NULL, NVDEV_ENGINE_FIFO }, { 0x10, "MSVLD", NULL, NVDEV_ENGINE_MSVLD }, { 0x11, "MSPPP", NULL, NVDEV_ENGINE_MSPPP }, { 0x13, "PERF" }, { 0x14, "MSPDEC", NULL, NVDEV_ENGINE_MSPDEC }, { 0x15, "CE0", NULL, NVDEV_ENGINE_CE0 }, { 0x16, "CE1", NULL, NVDEV_ENGINE_CE1 }, { 0x17, "PMU" }, { 0x19, "MSENC", NULL, NVDEV_ENGINE_MSENC }, { 0x1b, "CE2", NULL, NVDEV_ENGINE_CE2 }, {} }; static const struct nvkm_enum gk104_fifo_fault_reason[] = { { 0x00, "PDE" }, { 0x01, "PDE_SIZE" }, { 0x02, "PTE" }, { 0x03, "VA_LIMIT_VIOLATION" }, { 0x04, "UNBOUND_INST_BLOCK" }, { 0x05, "PRIV_VIOLATION" }, { 0x06, "RO_VIOLATION" }, { 0x07, "WO_VIOLATION" }, { 0x08, "PITCH_MASK_VIOLATION" }, { 0x09, "WORK_CREATION" }, { 0x0a, "UNSUPPORTED_APERTURE" }, { 0x0b, "COMPRESSION_FAILURE" }, { 0x0c, "UNSUPPORTED_KIND" }, { 0x0d, "REGION_VIOLATION" }, { 0x0e, "BOTH_PTES_VALID" }, { 0x0f, "INFO_TYPE_POISONED" }, {} }; static const struct nvkm_enum gk104_fifo_fault_hubclient[] = { { 0x00, "VIP" }, { 0x01, "CE0" }, { 0x02, "CE1" }, { 0x03, "DNISO" }, { 0x04, "FE" }, { 0x05, "FECS" }, { 0x06, "HOST" }, { 0x07, "HOST_CPU" }, { 0x08, "HOST_CPU_NB" }, { 0x09, "ISO" }, { 0x0a, "MMU" }, { 0x0b, "MSPDEC" }, { 0x0c, "MSPPP" }, { 0x0d, "MSVLD" }, { 0x0e, "NISO" }, { 0x0f, "P2P" }, { 0x10, "PD" }, { 0x11, "PERF" }, { 0x12, "PMU" }, { 0x13, "RASTERTWOD" }, { 0x14, "SCC" }, { 0x15, "SCC_NB" }, { 0x16, "SEC" }, { 0x17, "SSYNC" }, { 0x18, "GR_CE" }, { 0x19, "CE2" }, { 0x1a, "XV" }, { 0x1b, "MMU_NB" }, { 0x1c, "MSENC" }, { 0x1d, "DFALCON" }, { 0x1e, "SKED" }, { 0x1f, "AFALCON" }, {} }; static const struct nvkm_enum gk104_fifo_fault_gpcclient[] = { { 0x00, "L1_0" }, { 0x01, "T1_0" }, { 0x02, "PE_0" }, { 0x03, "L1_1" }, { 0x04, "T1_1" }, { 0x05, "PE_1" }, { 0x06, "L1_2" }, { 0x07, "T1_2" }, { 0x08, "PE_2" }, { 0x09, "L1_3" }, { 0x0a, "T1_3" }, { 0x0b, "PE_3" }, { 0x0c, "RAST" }, { 0x0d, "GCC" }, { 0x0e, "GPCCS" }, { 0x0f, "PROP_0" }, { 0x10, "PROP_1" }, { 0x11, "PROP_2" }, { 0x12, "PROP_3" }, { 0x13, "L1_4" }, { 0x14, "T1_4" }, { 0x15, "PE_4" }, { 0x16, "L1_5" }, { 0x17, "T1_5" }, { 0x18, "PE_5" }, { 0x19, "L1_6" }, { 0x1a, "T1_6" }, { 0x1b, "PE_6" }, { 0x1c, "L1_7" }, { 0x1d, "T1_7" }, { 0x1e, "PE_7" }, { 0x1f, "GPM" }, { 0x20, "LTP_UTLB_0" }, { 0x21, "LTP_UTLB_1" }, { 0x22, "LTP_UTLB_2" }, { 0x23, "LTP_UTLB_3" }, { 0x24, "GPC_RGG_UTLB" }, {} }; static void gk104_fifo_intr_fault(struct gk104_fifo *fifo, int unit) { struct nvkm_subdev *subdev = &fifo->base.engine.subdev; struct nvkm_device *device = subdev->device; u32 inst = nvkm_rd32(device, 0x002800 + (unit * 0x10)); u32 valo = nvkm_rd32(device, 0x002804 + (unit * 0x10)); u32 vahi = nvkm_rd32(device, 0x002808 + (unit * 0x10)); u32 stat = nvkm_rd32(device, 0x00280c + (unit * 0x10)); u32 gpc = (stat & 0x1f000000) >> 24; u32 client = (stat & 0x00001f00) >> 8; u32 write = (stat & 0x00000080); u32 hub = (stat & 0x00000040); u32 reason = (stat & 0x0000000f); struct nvkm_object *engctx = NULL, *object; struct nvkm_engine *engine = NULL; const struct nvkm_enum *er, *eu, *ec; char gpcid[8] = ""; er = nvkm_enum_find(gk104_fifo_fault_reason, reason); eu = nvkm_enum_find(gk104_fifo_fault_engine, unit); if (hub) { ec = nvkm_enum_find(gk104_fifo_fault_hubclient, client); } else { ec = nvkm_enum_find(gk104_fifo_fault_gpcclient, client); snprintf(gpcid, sizeof(gpcid), "GPC%d/", gpc); } if (eu) { switch (eu->data2) { case NVDEV_SUBDEV_BAR: nvkm_mask(device, 0x001704, 0x00000000, 0x00000000); break; case NVDEV_SUBDEV_INSTMEM: nvkm_mask(device, 0x001714, 0x00000000, 0x00000000); break; case NVDEV_ENGINE_IFB: nvkm_mask(device, 0x001718, 0x00000000, 0x00000000); break; default: engine = nvkm_engine(fifo, eu->data2); if (engine) engctx = nvkm_engctx_get(engine, inst); break; } } nvkm_error(subdev, "%s fault at %010llx engine %02x [%s] client %02x [%s%s] " "reason %02x [%s] on channel %d [%010llx %s]\n", write ? "write" : "read", (u64)vahi << 32 | valo, unit, eu ? eu->name : "", client, gpcid, ec ? ec->name : "", reason, er ? er->name : "", -1, (u64)inst << 12, nvkm_client_name(engctx)); object = engctx; while (object) { switch (nv_mclass(object)) { case KEPLER_CHANNEL_GPFIFO_A: case MAXWELL_CHANNEL_GPFIFO_A: gk104_fifo_recover(fifo, engine, (void *)object); break; } object = object->parent; } nvkm_engctx_put(engctx); } static const struct nvkm_bitfield gk104_fifo_pbdma_intr_0[] = { { 0x00000001, "MEMREQ" }, { 0x00000002, "MEMACK_TIMEOUT" }, { 0x00000004, "MEMACK_EXTRA" }, { 0x00000008, "MEMDAT_TIMEOUT" }, { 0x00000010, "MEMDAT_EXTRA" }, { 0x00000020, "MEMFLUSH" }, { 0x00000040, "MEMOP" }, { 0x00000080, "LBCONNECT" }, { 0x00000100, "LBREQ" }, { 0x00000200, "LBACK_TIMEOUT" }, { 0x00000400, "LBACK_EXTRA" }, { 0x00000800, "LBDAT_TIMEOUT" }, { 0x00001000, "LBDAT_EXTRA" }, { 0x00002000, "GPFIFO" }, { 0x00004000, "GPPTR" }, { 0x00008000, "GPENTRY" }, { 0x00010000, "GPCRC" }, { 0x00020000, "PBPTR" }, { 0x00040000, "PBENTRY" }, { 0x00080000, "PBCRC" }, { 0x00100000, "XBARCONNECT" }, { 0x00200000, "METHOD" }, { 0x00400000, "METHODCRC" }, { 0x00800000, "DEVICE" }, { 0x02000000, "SEMAPHORE" }, { 0x04000000, "ACQUIRE" }, { 0x08000000, "PRI" }, { 0x20000000, "NO_CTXSW_SEG" }, { 0x40000000, "PBSEG" }, { 0x80000000, "SIGNATURE" }, {} }; static void gk104_fifo_intr_pbdma_0(struct gk104_fifo *fifo, int unit) { struct nvkm_subdev *subdev = &fifo->base.engine.subdev; struct nvkm_device *device = subdev->device; u32 mask = nvkm_rd32(device, 0x04010c + (unit * 0x2000)); u32 stat = nvkm_rd32(device, 0x040108 + (unit * 0x2000)) & mask; u32 addr = nvkm_rd32(device, 0x0400c0 + (unit * 0x2000)); u32 data = nvkm_rd32(device, 0x0400c4 + (unit * 0x2000)); u32 chid = nvkm_rd32(device, 0x040120 + (unit * 0x2000)) & 0xfff; u32 subc = (addr & 0x00070000) >> 16; u32 mthd = (addr & 0x00003ffc); u32 show = stat; char msg[128]; if (stat & 0x00800000) { if (!gk104_fifo_swmthd(fifo, chid, mthd, data)) show &= ~0x00800000; nvkm_wr32(device, 0x0400c0 + (unit * 0x2000), 0x80600008); } if (show) { nvkm_snprintbf(msg, sizeof(msg), gk104_fifo_pbdma_intr_0, show); nvkm_error(subdev, "PBDMA%d: %08x [%s] ch %d [%s] subc %d " "mthd %04x data %08x\n", unit, show, msg, chid, nvkm_client_name_for_fifo_chid(&fifo->base, chid), subc, mthd, data); } nvkm_wr32(device, 0x040108 + (unit * 0x2000), stat); } static const struct nvkm_bitfield gk104_fifo_pbdma_intr_1[] = { { 0x00000001, "HCE_RE_ILLEGAL_OP" }, { 0x00000002, "HCE_RE_ALIGNB" }, { 0x00000004, "HCE_PRIV" }, { 0x00000008, "HCE_ILLEGAL_MTHD" }, { 0x00000010, "HCE_ILLEGAL_CLASS" }, {} }; static void gk104_fifo_intr_pbdma_1(struct gk104_fifo *fifo, int unit) { struct nvkm_subdev *subdev = &fifo->base.engine.subdev; struct nvkm_device *device = subdev->device; u32 mask = nvkm_rd32(device, 0x04014c + (unit * 0x2000)); u32 stat = nvkm_rd32(device, 0x040148 + (unit * 0x2000)) & mask; u32 chid = nvkm_rd32(device, 0x040120 + (unit * 0x2000)) & 0xfff; char msg[128]; if (stat) { nvkm_snprintbf(msg, sizeof(msg), gk104_fifo_pbdma_intr_1, stat); nvkm_error(subdev, "PBDMA%d: %08x [%s] ch %d %08x %08x\n", unit, stat, msg, chid, nvkm_rd32(device, 0x040150 + (unit * 0x2000)), nvkm_rd32(device, 0x040154 + (unit * 0x2000))); } nvkm_wr32(device, 0x040148 + (unit * 0x2000), stat); } static void gk104_fifo_intr_runlist(struct gk104_fifo *fifo) { struct nvkm_device *device = fifo->base.engine.subdev.device; u32 mask = nvkm_rd32(device, 0x002a00); while (mask) { u32 engn = __ffs(mask); wake_up(&fifo->engine[engn].wait); nvkm_wr32(device, 0x002a00, 1 << engn); mask &= ~(1 << engn); } } static void gk104_fifo_intr_engine(struct gk104_fifo *fifo) { nvkm_fifo_uevent(&fifo->base); } static void gk104_fifo_intr(struct nvkm_subdev *subdev) { struct gk104_fifo *fifo = (void *)subdev; struct nvkm_device *device = fifo->base.engine.subdev.device; u32 mask = nvkm_rd32(device, 0x002140); u32 stat = nvkm_rd32(device, 0x002100) & mask; if (stat & 0x00000001) { gk104_fifo_intr_bind(fifo); nvkm_wr32(device, 0x002100, 0x00000001); stat &= ~0x00000001; } if (stat & 0x00000010) { nvkm_error(subdev, "PIO_ERROR\n"); nvkm_wr32(device, 0x002100, 0x00000010); stat &= ~0x00000010; } if (stat & 0x00000100) { gk104_fifo_intr_sched(fifo); nvkm_wr32(device, 0x002100, 0x00000100); stat &= ~0x00000100; } if (stat & 0x00010000) { gk104_fifo_intr_chsw(fifo); nvkm_wr32(device, 0x002100, 0x00010000); stat &= ~0x00010000; } if (stat & 0x00800000) { nvkm_error(subdev, "FB_FLUSH_TIMEOUT\n"); nvkm_wr32(device, 0x002100, 0x00800000); stat &= ~0x00800000; } if (stat & 0x01000000) { nvkm_error(subdev, "LB_ERROR\n"); nvkm_wr32(device, 0x002100, 0x01000000); stat &= ~0x01000000; } if (stat & 0x08000000) { gk104_fifo_intr_dropped_fault(fifo); nvkm_wr32(device, 0x002100, 0x08000000); stat &= ~0x08000000; } if (stat & 0x10000000) { u32 mask = nvkm_rd32(device, 0x00259c); while (mask) { u32 unit = __ffs(mask); gk104_fifo_intr_fault(fifo, unit); nvkm_wr32(device, 0x00259c, (1 << unit)); mask &= ~(1 << unit); } stat &= ~0x10000000; } if (stat & 0x20000000) { u32 mask = nvkm_rd32(device, 0x0025a0); while (mask) { u32 unit = __ffs(mask); gk104_fifo_intr_pbdma_0(fifo, unit); gk104_fifo_intr_pbdma_1(fifo, unit); nvkm_wr32(device, 0x0025a0, (1 << unit)); mask &= ~(1 << unit); } stat &= ~0x20000000; } if (stat & 0x40000000) { gk104_fifo_intr_runlist(fifo); stat &= ~0x40000000; } if (stat & 0x80000000) { nvkm_wr32(device, 0x002100, 0x80000000); gk104_fifo_intr_engine(fifo); stat &= ~0x80000000; } if (stat) { nvkm_error(subdev, "INTR %08x\n", stat); nvkm_mask(device, 0x002140, stat, 0x00000000); nvkm_wr32(device, 0x002100, stat); } } static void gk104_fifo_uevent_init(struct nvkm_event *event, int type, int index) { struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent); struct nvkm_device *device = fifo->engine.subdev.device; nvkm_mask(device, 0x002140, 0x80000000, 0x80000000); } static void gk104_fifo_uevent_fini(struct nvkm_event *event, int type, int index) { struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent); struct nvkm_device *device = fifo->engine.subdev.device; nvkm_mask(device, 0x002140, 0x80000000, 0x00000000); } static const struct nvkm_event_func gk104_fifo_uevent_func = { .ctor = nvkm_fifo_uevent_ctor, .init = gk104_fifo_uevent_init, .fini = gk104_fifo_uevent_fini, }; int gk104_fifo_fini(struct nvkm_object *object, bool suspend) { struct gk104_fifo *fifo = (void *)object; struct nvkm_device *device = fifo->base.engine.subdev.device; int ret; ret = nvkm_fifo_fini(&fifo->base, suspend); if (ret) return ret; /* allow mmu fault interrupts, even when we're not using fifo */ nvkm_mask(device, 0x002140, 0x10000000, 0x10000000); return 0; } int gk104_fifo_init(struct nvkm_object *object) { struct gk104_fifo *fifo = (void *)object; struct nvkm_subdev *subdev = &fifo->base.engine.subdev; struct nvkm_device *device = subdev->device; int ret, i; ret = nvkm_fifo_init(&fifo->base); if (ret) return ret; /* enable all available PBDMA units */ nvkm_wr32(device, 0x000204, 0xffffffff); fifo->spoon_nr = hweight32(nvkm_rd32(device, 0x000204)); nvkm_debug(subdev, "%d PBDMA unit(s)\n", fifo->spoon_nr); /* PBDMA[n] */ for (i = 0; i < fifo->spoon_nr; i++) { nvkm_mask(device, 0x04013c + (i * 0x2000), 0x10000100, 0x00000000); nvkm_wr32(device, 0x040108 + (i * 0x2000), 0xffffffff); /* INTR */ nvkm_wr32(device, 0x04010c + (i * 0x2000), 0xfffffeff); /* INTREN */ } /* PBDMA[n].HCE */ for (i = 0; i < fifo->spoon_nr; i++) { nvkm_wr32(device, 0x040148 + (i * 0x2000), 0xffffffff); /* INTR */ nvkm_wr32(device, 0x04014c + (i * 0x2000), 0xffffffff); /* INTREN */ } nvkm_wr32(device, 0x002254, 0x10000000 | fifo->user.bar.offset >> 12); nvkm_wr32(device, 0x002100, 0xffffffff); nvkm_wr32(device, 0x002140, 0x7fffffff); return 0; } void gk104_fifo_dtor(struct nvkm_object *object) { struct gk104_fifo *fifo = (void *)object; int i; nvkm_gpuobj_unmap(&fifo->user.bar); nvkm_gpuobj_ref(NULL, &fifo->user.mem); for (i = 0; i < FIFO_ENGINE_NR; i++) { nvkm_gpuobj_ref(NULL, &fifo->engine[i].runlist[1]); nvkm_gpuobj_ref(NULL, &fifo->engine[i].runlist[0]); } nvkm_fifo_destroy(&fifo->base); } int gk104_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine, struct nvkm_oclass *oclass, void *data, u32 size, struct nvkm_object **pobject) { struct gk104_fifo_impl *impl = (void *)oclass; struct gk104_fifo *fifo; int ret, i; ret = nvkm_fifo_create(parent, engine, oclass, 0, impl->channels - 1, &fifo); *pobject = nv_object(fifo); if (ret) return ret; INIT_WORK(&fifo->fault, gk104_fifo_recover_work); for (i = 0; i < FIFO_ENGINE_NR; i++) { ret = nvkm_gpuobj_new(nv_object(fifo), NULL, 0x8000, 0x1000, 0, &fifo->engine[i].runlist[0]); if (ret) return ret; ret = nvkm_gpuobj_new(nv_object(fifo), NULL, 0x8000, 0x1000, 0, &fifo->engine[i].runlist[1]); if (ret) return ret; init_waitqueue_head(&fifo->engine[i].wait); } ret = nvkm_gpuobj_new(nv_object(fifo), NULL, impl->channels * 0x200, 0x1000, NVOBJ_FLAG_ZERO_ALLOC, &fifo->user.mem); if (ret) return ret; ret = nvkm_gpuobj_map(fifo->user.mem, NV_MEM_ACCESS_RW, &fifo->user.bar); if (ret) return ret; ret = nvkm_event_init(&gk104_fifo_uevent_func, 1, 1, &fifo->base.uevent); if (ret) return ret; nv_subdev(fifo)->unit = 0x00000100; nv_subdev(fifo)->intr = gk104_fifo_intr; nv_engine(fifo)->cclass = &gk104_fifo_cclass; nv_engine(fifo)->sclass = gk104_fifo_sclass; return 0; } struct nvkm_oclass * gk104_fifo_oclass = &(struct gk104_fifo_impl) { .base.handle = NV_ENGINE(FIFO, 0xe0), .base.ofuncs = &(struct nvkm_ofuncs) { .ctor = gk104_fifo_ctor, .dtor = gk104_fifo_dtor, .init = gk104_fifo_init, .fini = gk104_fifo_fini, }, .channels = 4096, }.base;